<?
    class AuthConstants {
        const NOT_LOGGED_IN = -1;
        
        const ALL_LOGGED_IN = 5;
        const EVERYONE      = 0;
        const GUESTS        = 1;
        const STUDENTS      = 2;
        const LANDLORDS     = 3;
        const ADMINISTRATORS= 4;
    }
    
    class SessionConstants {
        const SESSION       = 0;
        const COOKIE        = 1;
        const TMPFILE       = 2;
    }
?>